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1739 lines
57 KiB
1739 lines
57 KiB
import operator
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import re
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import sqlalchemy as sa
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from .. import config
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from .. import engines
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from .. import eq_
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from .. import expect_warnings
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from .. import fixtures
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from .. import is_
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from ..provision import get_temp_table_name
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from ..provision import temp_table_keyword_args
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from ..schema import Column
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from ..schema import Table
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from ... import event
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from ... import ForeignKey
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from ... import func
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from ... import Identity
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from ... import inspect
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from ... import Integer
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from ... import MetaData
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from ... import String
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from ... import testing
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from ... import types as sql_types
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from ...schema import DDL
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from ...schema import Index
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from ...sql.elements import quoted_name
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from ...sql.schema import BLANK_SCHEMA
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from ...testing import is_false
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from ...testing import is_true
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metadata, users = None, None
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class HasTableTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table(
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"test_table",
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metadata,
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Column("id", Integer, primary_key=True),
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Column("data", String(50)),
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)
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if testing.requires.schemas.enabled:
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Table(
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"test_table_s",
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metadata,
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Column("id", Integer, primary_key=True),
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Column("data", String(50)),
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schema=config.test_schema,
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)
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def test_has_table(self):
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with config.db.begin() as conn:
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is_true(config.db.dialect.has_table(conn, "test_table"))
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is_false(config.db.dialect.has_table(conn, "test_table_s"))
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is_false(config.db.dialect.has_table(conn, "nonexistent_table"))
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@testing.requires.schemas
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def test_has_table_schema(self):
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with config.db.begin() as conn:
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is_false(
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config.db.dialect.has_table(
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conn, "test_table", schema=config.test_schema
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)
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)
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is_true(
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config.db.dialect.has_table(
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conn, "test_table_s", schema=config.test_schema
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)
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)
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is_false(
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config.db.dialect.has_table(
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conn, "nonexistent_table", schema=config.test_schema
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)
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)
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class HasIndexTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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tt = Table(
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"test_table",
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metadata,
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Column("id", Integer, primary_key=True),
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Column("data", String(50)),
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)
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Index("my_idx", tt.c.data)
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if testing.requires.schemas.enabled:
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tt = Table(
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"test_table",
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metadata,
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Column("id", Integer, primary_key=True),
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Column("data", String(50)),
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schema=config.test_schema,
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)
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Index("my_idx_s", tt.c.data)
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def test_has_index(self):
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with config.db.begin() as conn:
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assert config.db.dialect.has_index(conn, "test_table", "my_idx")
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assert not config.db.dialect.has_index(
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conn, "test_table", "my_idx_s"
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)
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assert not config.db.dialect.has_index(
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conn, "nonexistent_table", "my_idx"
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)
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assert not config.db.dialect.has_index(
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conn, "test_table", "nonexistent_idx"
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)
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@testing.requires.schemas
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def test_has_index_schema(self):
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with config.db.begin() as conn:
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assert config.db.dialect.has_index(
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conn, "test_table", "my_idx_s", schema=config.test_schema
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)
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assert not config.db.dialect.has_index(
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conn, "test_table", "my_idx", schema=config.test_schema
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)
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assert not config.db.dialect.has_index(
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conn,
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"nonexistent_table",
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"my_idx_s",
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schema=config.test_schema,
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)
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assert not config.db.dialect.has_index(
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conn,
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"test_table",
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"nonexistent_idx_s",
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schema=config.test_schema,
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)
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class QuotedNameArgumentTest(fixtures.TablesTest):
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run_create_tables = "once"
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table(
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"quote ' one",
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metadata,
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Column("id", Integer),
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Column("name", String(50)),
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Column("data", String(50)),
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Column("related_id", Integer),
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sa.PrimaryKeyConstraint("id", name="pk quote ' one"),
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sa.Index("ix quote ' one", "name"),
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sa.UniqueConstraint(
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"data",
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name="uq quote' one",
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),
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sa.ForeignKeyConstraint(
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["id"], ["related.id"], name="fk quote ' one"
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),
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sa.CheckConstraint("name != 'foo'", name="ck quote ' one"),
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comment=r"""quote ' one comment""",
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test_needs_fk=True,
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)
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if testing.requires.symbol_names_w_double_quote.enabled:
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Table(
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'quote " two',
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metadata,
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Column("id", Integer),
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Column("name", String(50)),
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Column("data", String(50)),
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Column("related_id", Integer),
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sa.PrimaryKeyConstraint("id", name='pk quote " two'),
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sa.Index('ix quote " two', "name"),
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sa.UniqueConstraint(
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"data",
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name='uq quote" two',
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),
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sa.ForeignKeyConstraint(
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["id"], ["related.id"], name='fk quote " two'
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),
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sa.CheckConstraint("name != 'foo'", name='ck quote " two '),
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comment=r"""quote " two comment""",
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test_needs_fk=True,
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)
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Table(
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"related",
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metadata,
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Column("id", Integer, primary_key=True),
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Column("related", Integer),
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test_needs_fk=True,
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)
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if testing.requires.view_column_reflection.enabled:
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if testing.requires.symbol_names_w_double_quote.enabled:
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names = [
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"quote ' one",
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'quote " two',
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]
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else:
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names = [
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"quote ' one",
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]
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for name in names:
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query = "CREATE VIEW %s AS SELECT * FROM %s" % (
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config.db.dialect.identifier_preparer.quote(
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"view %s" % name
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),
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config.db.dialect.identifier_preparer.quote(name),
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)
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event.listen(metadata, "after_create", DDL(query))
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event.listen(
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metadata,
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"before_drop",
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DDL(
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"DROP VIEW %s"
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% config.db.dialect.identifier_preparer.quote(
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"view %s" % name
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)
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),
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)
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def quote_fixtures(fn):
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return testing.combinations(
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("quote ' one",),
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('quote " two', testing.requires.symbol_names_w_double_quote),
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)(fn)
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@quote_fixtures
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def test_get_table_options(self, name):
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insp = inspect(config.db)
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insp.get_table_options(name)
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@quote_fixtures
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@testing.requires.view_column_reflection
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def test_get_view_definition(self, name):
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insp = inspect(config.db)
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assert insp.get_view_definition("view %s" % name)
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@quote_fixtures
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def test_get_columns(self, name):
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insp = inspect(config.db)
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assert insp.get_columns(name)
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@quote_fixtures
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def test_get_pk_constraint(self, name):
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insp = inspect(config.db)
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assert insp.get_pk_constraint(name)
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@quote_fixtures
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def test_get_foreign_keys(self, name):
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insp = inspect(config.db)
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assert insp.get_foreign_keys(name)
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@quote_fixtures
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def test_get_indexes(self, name):
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insp = inspect(config.db)
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assert insp.get_indexes(name)
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@quote_fixtures
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@testing.requires.unique_constraint_reflection
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def test_get_unique_constraints(self, name):
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insp = inspect(config.db)
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assert insp.get_unique_constraints(name)
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@quote_fixtures
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@testing.requires.comment_reflection
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def test_get_table_comment(self, name):
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insp = inspect(config.db)
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assert insp.get_table_comment(name)
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@quote_fixtures
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@testing.requires.check_constraint_reflection
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def test_get_check_constraints(self, name):
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insp = inspect(config.db)
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assert insp.get_check_constraints(name)
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class ComponentReflectionTest(fixtures.TablesTest):
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run_inserts = run_deletes = None
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__backend__ = True
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@classmethod
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def setup_bind(cls):
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if config.requirements.independent_connections.enabled:
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from sqlalchemy import pool
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return engines.testing_engine(
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options=dict(poolclass=pool.StaticPool, scope="class"),
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)
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else:
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return config.db
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@classmethod
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def define_tables(cls, metadata):
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cls.define_reflected_tables(metadata, None)
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if testing.requires.schemas.enabled:
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cls.define_reflected_tables(metadata, testing.config.test_schema)
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@classmethod
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def define_reflected_tables(cls, metadata, schema):
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if schema:
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schema_prefix = schema + "."
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else:
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schema_prefix = ""
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if testing.requires.self_referential_foreign_keys.enabled:
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users = Table(
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"users",
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metadata,
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Column("user_id", sa.INT, primary_key=True),
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Column("test1", sa.CHAR(5), nullable=False),
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Column("test2", sa.Float(5), nullable=False),
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Column(
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"parent_user_id",
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sa.Integer,
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sa.ForeignKey(
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"%susers.user_id" % schema_prefix, name="user_id_fk"
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),
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),
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schema=schema,
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test_needs_fk=True,
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)
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else:
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users = Table(
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"users",
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metadata,
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Column("user_id", sa.INT, primary_key=True),
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Column("test1", sa.CHAR(5), nullable=False),
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Column("test2", sa.Float(5), nullable=False),
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schema=schema,
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test_needs_fk=True,
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)
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Table(
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"dingalings",
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metadata,
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Column("dingaling_id", sa.Integer, primary_key=True),
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Column(
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"address_id",
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sa.Integer,
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sa.ForeignKey("%semail_addresses.address_id" % schema_prefix),
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),
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Column("data", sa.String(30)),
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schema=schema,
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test_needs_fk=True,
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)
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Table(
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"email_addresses",
|
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metadata,
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Column("address_id", sa.Integer),
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Column(
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"remote_user_id", sa.Integer, sa.ForeignKey(users.c.user_id)
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),
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Column("email_address", sa.String(20)),
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sa.PrimaryKeyConstraint("address_id", name="email_ad_pk"),
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schema=schema,
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test_needs_fk=True,
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)
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Table(
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"comment_test",
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metadata,
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Column("id", sa.Integer, primary_key=True, comment="id comment"),
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Column("data", sa.String(20), comment="data % comment"),
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Column(
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"d2",
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sa.String(20),
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comment=r"""Comment types type speedily ' " \ '' Fun!""",
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),
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schema=schema,
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comment=r"""the test % ' " \ table comment""",
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)
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if testing.requires.cross_schema_fk_reflection.enabled:
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if schema is None:
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Table(
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"local_table",
|
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metadata,
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Column("id", sa.Integer, primary_key=True),
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Column("data", sa.String(20)),
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Column(
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"remote_id",
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ForeignKey(
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"%s.remote_table_2.id" % testing.config.test_schema
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),
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),
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test_needs_fk=True,
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schema=config.db.dialect.default_schema_name,
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)
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else:
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Table(
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"remote_table",
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metadata,
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Column("id", sa.Integer, primary_key=True),
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Column(
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"local_id",
|
|
ForeignKey(
|
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"%s.local_table.id"
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|
% config.db.dialect.default_schema_name
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),
|
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),
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Column("data", sa.String(20)),
|
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schema=schema,
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test_needs_fk=True,
|
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)
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Table(
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"remote_table_2",
|
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metadata,
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Column("id", sa.Integer, primary_key=True),
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Column("data", sa.String(20)),
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schema=schema,
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test_needs_fk=True,
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)
|
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if testing.requires.index_reflection.enabled:
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cls.define_index(metadata, users)
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|
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if not schema:
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# test_needs_fk is at the moment to force MySQL InnoDB
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noncol_idx_test_nopk = Table(
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"noncol_idx_test_nopk",
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metadata,
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Column("q", sa.String(5)),
|
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test_needs_fk=True,
|
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)
|
|
|
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noncol_idx_test_pk = Table(
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"noncol_idx_test_pk",
|
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metadata,
|
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Column("id", sa.Integer, primary_key=True),
|
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Column("q", sa.String(5)),
|
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test_needs_fk=True,
|
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)
|
|
|
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if testing.requires.indexes_with_ascdesc.enabled:
|
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Index("noncol_idx_nopk", noncol_idx_test_nopk.c.q.desc())
|
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Index("noncol_idx_pk", noncol_idx_test_pk.c.q.desc())
|
|
|
|
if testing.requires.view_column_reflection.enabled:
|
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cls.define_views(metadata, schema)
|
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if not schema and testing.requires.temp_table_reflection.enabled:
|
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cls.define_temp_tables(metadata)
|
|
|
|
@classmethod
|
|
def define_temp_tables(cls, metadata):
|
|
kw = temp_table_keyword_args(config, config.db)
|
|
table_name = get_temp_table_name(
|
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config, config.db, "user_tmp_%s" % config.ident
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)
|
|
user_tmp = Table(
|
|
table_name,
|
|
metadata,
|
|
Column("id", sa.INT, primary_key=True),
|
|
Column("name", sa.VARCHAR(50)),
|
|
Column("foo", sa.INT),
|
|
# disambiguate temp table unique constraint names. this is
|
|
# pretty arbitrary for a generic dialect however we are doing
|
|
# it to suit SQL Server which will produce name conflicts for
|
|
# unique constraints created against temp tables in different
|
|
# databases.
|
|
# https://www.arbinada.com/en/node/1645
|
|
sa.UniqueConstraint("name", name="user_tmp_uq_%s" % config.ident),
|
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sa.Index("user_tmp_ix", "foo"),
|
|
**kw
|
|
)
|
|
if (
|
|
testing.requires.view_reflection.enabled
|
|
and testing.requires.temporary_views.enabled
|
|
):
|
|
event.listen(
|
|
user_tmp,
|
|
"after_create",
|
|
DDL(
|
|
"create temporary view user_tmp_v as "
|
|
"select * from user_tmp_%s" % config.ident
|
|
),
|
|
)
|
|
event.listen(user_tmp, "before_drop", DDL("drop view user_tmp_v"))
|
|
|
|
@classmethod
|
|
def define_index(cls, metadata, users):
|
|
Index("users_t_idx", users.c.test1, users.c.test2)
|
|
Index("users_all_idx", users.c.user_id, users.c.test2, users.c.test1)
|
|
|
|
@classmethod
|
|
def define_views(cls, metadata, schema):
|
|
for table_name in ("users", "email_addresses"):
|
|
fullname = table_name
|
|
if schema:
|
|
fullname = "%s.%s" % (schema, table_name)
|
|
view_name = fullname + "_v"
|
|
query = "CREATE VIEW %s AS SELECT * FROM %s" % (
|
|
view_name,
|
|
fullname,
|
|
)
|
|
|
|
event.listen(metadata, "after_create", DDL(query))
|
|
event.listen(
|
|
metadata, "before_drop", DDL("DROP VIEW %s" % view_name)
|
|
)
|
|
|
|
@testing.requires.schema_reflection
|
|
def test_get_schema_names(self):
|
|
insp = inspect(self.bind)
|
|
|
|
self.assert_(testing.config.test_schema in insp.get_schema_names())
|
|
|
|
@testing.requires.schema_reflection
|
|
def test_get_schema_names_w_translate_map(self, connection):
|
|
"""test #7300"""
|
|
|
|
connection = connection.execution_options(
|
|
schema_translate_map={
|
|
"foo": "bar",
|
|
BLANK_SCHEMA: testing.config.test_schema,
|
|
}
|
|
)
|
|
insp = inspect(connection)
|
|
|
|
self.assert_(testing.config.test_schema in insp.get_schema_names())
|
|
|
|
@testing.requires.schema_reflection
|
|
def test_dialect_initialize(self):
|
|
engine = engines.testing_engine()
|
|
inspect(engine)
|
|
assert hasattr(engine.dialect, "default_schema_name")
|
|
|
|
@testing.requires.schema_reflection
|
|
def test_get_default_schema_name(self):
|
|
insp = inspect(self.bind)
|
|
eq_(insp.default_schema_name, self.bind.dialect.default_schema_name)
|
|
|
|
@testing.requires.foreign_key_constraint_reflection
|
|
@testing.combinations(
|
|
(None, True, False, False),
|
|
(None, True, False, True, testing.requires.schemas),
|
|
("foreign_key", True, False, False),
|
|
(None, False, True, False),
|
|
(None, False, True, True, testing.requires.schemas),
|
|
(None, True, True, False),
|
|
(None, True, True, True, testing.requires.schemas),
|
|
argnames="order_by,include_plain,include_views,use_schema",
|
|
)
|
|
def test_get_table_names(
|
|
self, connection, order_by, include_plain, include_views, use_schema
|
|
):
|
|
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
|
|
_ignore_tables = [
|
|
"comment_test",
|
|
"noncol_idx_test_pk",
|
|
"noncol_idx_test_nopk",
|
|
"local_table",
|
|
"remote_table",
|
|
"remote_table_2",
|
|
]
|
|
|
|
insp = inspect(connection)
|
|
|
|
if include_views:
|
|
table_names = insp.get_view_names(schema)
|
|
table_names.sort()
|
|
answer = ["email_addresses_v", "users_v"]
|
|
eq_(sorted(table_names), answer)
|
|
|
|
if include_plain:
|
|
if order_by:
|
|
tables = [
|
|
rec[0]
|
|
for rec in insp.get_sorted_table_and_fkc_names(schema)
|
|
if rec[0]
|
|
]
|
|
else:
|
|
tables = insp.get_table_names(schema)
|
|
table_names = [t for t in tables if t not in _ignore_tables]
|
|
|
|
if order_by == "foreign_key":
|
|
answer = ["users", "email_addresses", "dingalings"]
|
|
eq_(table_names, answer)
|
|
else:
|
|
answer = ["dingalings", "email_addresses", "users"]
|
|
eq_(sorted(table_names), answer)
|
|
|
|
@testing.requires.temp_table_names
|
|
def test_get_temp_table_names(self):
|
|
insp = inspect(self.bind)
|
|
temp_table_names = insp.get_temp_table_names()
|
|
eq_(sorted(temp_table_names), ["user_tmp_%s" % config.ident])
|
|
|
|
@testing.requires.view_reflection
|
|
@testing.requires.temp_table_names
|
|
@testing.requires.temporary_views
|
|
def test_get_temp_view_names(self):
|
|
insp = inspect(self.bind)
|
|
temp_table_names = insp.get_temp_view_names()
|
|
eq_(sorted(temp_table_names), ["user_tmp_v"])
|
|
|
|
@testing.requires.comment_reflection
|
|
def test_get_comments(self):
|
|
self._test_get_comments()
|
|
|
|
@testing.requires.comment_reflection
|
|
@testing.requires.schemas
|
|
def test_get_comments_with_schema(self):
|
|
self._test_get_comments(testing.config.test_schema)
|
|
|
|
def _test_get_comments(self, schema=None):
|
|
insp = inspect(self.bind)
|
|
|
|
eq_(
|
|
insp.get_table_comment("comment_test", schema=schema),
|
|
{"text": r"""the test % ' " \ table comment"""},
|
|
)
|
|
|
|
eq_(insp.get_table_comment("users", schema=schema), {"text": None})
|
|
|
|
eq_(
|
|
[
|
|
{"name": rec["name"], "comment": rec["comment"]}
|
|
for rec in insp.get_columns("comment_test", schema=schema)
|
|
],
|
|
[
|
|
{"comment": "id comment", "name": "id"},
|
|
{"comment": "data % comment", "name": "data"},
|
|
{
|
|
"comment": (
|
|
r"""Comment types type speedily ' " \ '' Fun!"""
|
|
),
|
|
"name": "d2",
|
|
},
|
|
],
|
|
)
|
|
|
|
@testing.combinations(
|
|
(False, False),
|
|
(False, True, testing.requires.schemas),
|
|
(True, False, testing.requires.view_reflection),
|
|
(
|
|
True,
|
|
True,
|
|
testing.requires.schemas + testing.requires.view_reflection,
|
|
),
|
|
argnames="use_views,use_schema",
|
|
)
|
|
def test_get_columns(self, connection, use_views, use_schema):
|
|
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
|
|
users, addresses = (self.tables.users, self.tables.email_addresses)
|
|
if use_views:
|
|
table_names = ["users_v", "email_addresses_v"]
|
|
else:
|
|
table_names = ["users", "email_addresses"]
|
|
|
|
insp = inspect(connection)
|
|
for table_name, table in zip(table_names, (users, addresses)):
|
|
schema_name = schema
|
|
cols = insp.get_columns(table_name, schema=schema_name)
|
|
self.assert_(len(cols) > 0, len(cols))
|
|
|
|
# should be in order
|
|
|
|
for i, col in enumerate(table.columns):
|
|
eq_(col.name, cols[i]["name"])
|
|
ctype = cols[i]["type"].__class__
|
|
ctype_def = col.type
|
|
if isinstance(ctype_def, sa.types.TypeEngine):
|
|
ctype_def = ctype_def.__class__
|
|
|
|
# Oracle returns Date for DateTime.
|
|
|
|
if testing.against("oracle") and ctype_def in (
|
|
sql_types.Date,
|
|
sql_types.DateTime,
|
|
):
|
|
ctype_def = sql_types.Date
|
|
|
|
# assert that the desired type and return type share
|
|
# a base within one of the generic types.
|
|
|
|
self.assert_(
|
|
len(
|
|
set(ctype.__mro__)
|
|
.intersection(ctype_def.__mro__)
|
|
.intersection(
|
|
[
|
|
sql_types.Integer,
|
|
sql_types.Numeric,
|
|
sql_types.DateTime,
|
|
sql_types.Date,
|
|
sql_types.Time,
|
|
sql_types.String,
|
|
sql_types._Binary,
|
|
]
|
|
)
|
|
)
|
|
> 0,
|
|
"%s(%s), %s(%s)"
|
|
% (col.name, col.type, cols[i]["name"], ctype),
|
|
)
|
|
|
|
if not col.primary_key:
|
|
assert cols[i]["default"] is None
|
|
|
|
@testing.requires.temp_table_reflection
|
|
def test_get_temp_table_columns(self):
|
|
table_name = get_temp_table_name(
|
|
config, self.bind, "user_tmp_%s" % config.ident
|
|
)
|
|
user_tmp = self.tables[table_name]
|
|
insp = inspect(self.bind)
|
|
cols = insp.get_columns(table_name)
|
|
self.assert_(len(cols) > 0, len(cols))
|
|
|
|
for i, col in enumerate(user_tmp.columns):
|
|
eq_(col.name, cols[i]["name"])
|
|
|
|
@testing.requires.temp_table_reflection
|
|
@testing.requires.view_column_reflection
|
|
@testing.requires.temporary_views
|
|
def test_get_temp_view_columns(self):
|
|
insp = inspect(self.bind)
|
|
cols = insp.get_columns("user_tmp_v")
|
|
eq_([col["name"] for col in cols], ["id", "name", "foo"])
|
|
|
|
@testing.combinations(
|
|
(False,), (True, testing.requires.schemas), argnames="use_schema"
|
|
)
|
|
@testing.requires.primary_key_constraint_reflection
|
|
def test_get_pk_constraint(self, connection, use_schema):
|
|
if use_schema:
|
|
schema = testing.config.test_schema
|
|
else:
|
|
schema = None
|
|
|
|
users, addresses = self.tables.users, self.tables.email_addresses
|
|
insp = inspect(connection)
|
|
|
|
users_cons = insp.get_pk_constraint(users.name, schema=schema)
|
|
users_pkeys = users_cons["constrained_columns"]
|
|
eq_(users_pkeys, ["user_id"])
|
|
|
|
addr_cons = insp.get_pk_constraint(addresses.name, schema=schema)
|
|
addr_pkeys = addr_cons["constrained_columns"]
|
|
eq_(addr_pkeys, ["address_id"])
|
|
|
|
with testing.requires.reflects_pk_names.fail_if():
|
|
eq_(addr_cons["name"], "email_ad_pk")
|
|
|
|
@testing.combinations(
|
|
(False,), (True, testing.requires.schemas), argnames="use_schema"
|
|
)
|
|
@testing.requires.foreign_key_constraint_reflection
|
|
def test_get_foreign_keys(self, connection, use_schema):
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
|
|
users, addresses = (self.tables.users, self.tables.email_addresses)
|
|
insp = inspect(connection)
|
|
expected_schema = schema
|
|
# users
|
|
|
|
if testing.requires.self_referential_foreign_keys.enabled:
|
|
users_fkeys = insp.get_foreign_keys(users.name, schema=schema)
|
|
fkey1 = users_fkeys[0]
|
|
|
|
with testing.requires.named_constraints.fail_if():
|
|
eq_(fkey1["name"], "user_id_fk")
|
|
|
|
eq_(fkey1["referred_schema"], expected_schema)
|
|
eq_(fkey1["referred_table"], users.name)
|
|
eq_(fkey1["referred_columns"], ["user_id"])
|
|
if testing.requires.self_referential_foreign_keys.enabled:
|
|
eq_(fkey1["constrained_columns"], ["parent_user_id"])
|
|
|
|
# addresses
|
|
addr_fkeys = insp.get_foreign_keys(addresses.name, schema=schema)
|
|
fkey1 = addr_fkeys[0]
|
|
|
|
with testing.requires.implicitly_named_constraints.fail_if():
|
|
self.assert_(fkey1["name"] is not None)
|
|
|
|
eq_(fkey1["referred_schema"], expected_schema)
|
|
eq_(fkey1["referred_table"], users.name)
|
|
eq_(fkey1["referred_columns"], ["user_id"])
|
|
eq_(fkey1["constrained_columns"], ["remote_user_id"])
|
|
|
|
@testing.requires.cross_schema_fk_reflection
|
|
@testing.requires.schemas
|
|
def test_get_inter_schema_foreign_keys(self):
|
|
local_table, remote_table, remote_table_2 = self.tables(
|
|
"%s.local_table" % self.bind.dialect.default_schema_name,
|
|
"%s.remote_table" % testing.config.test_schema,
|
|
"%s.remote_table_2" % testing.config.test_schema,
|
|
)
|
|
|
|
insp = inspect(self.bind)
|
|
|
|
local_fkeys = insp.get_foreign_keys(local_table.name)
|
|
eq_(len(local_fkeys), 1)
|
|
|
|
fkey1 = local_fkeys[0]
|
|
eq_(fkey1["referred_schema"], testing.config.test_schema)
|
|
eq_(fkey1["referred_table"], remote_table_2.name)
|
|
eq_(fkey1["referred_columns"], ["id"])
|
|
eq_(fkey1["constrained_columns"], ["remote_id"])
|
|
|
|
remote_fkeys = insp.get_foreign_keys(
|
|
remote_table.name, schema=testing.config.test_schema
|
|
)
|
|
eq_(len(remote_fkeys), 1)
|
|
|
|
fkey2 = remote_fkeys[0]
|
|
|
|
assert fkey2["referred_schema"] in (
|
|
None,
|
|
self.bind.dialect.default_schema_name,
|
|
)
|
|
eq_(fkey2["referred_table"], local_table.name)
|
|
eq_(fkey2["referred_columns"], ["id"])
|
|
eq_(fkey2["constrained_columns"], ["local_id"])
|
|
|
|
def _assert_insp_indexes(self, indexes, expected_indexes):
|
|
index_names = [d["name"] for d in indexes]
|
|
for e_index in expected_indexes:
|
|
assert e_index["name"] in index_names
|
|
index = indexes[index_names.index(e_index["name"])]
|
|
for key in e_index:
|
|
eq_(e_index[key], index[key])
|
|
|
|
@testing.combinations(
|
|
(False,), (True, testing.requires.schemas), argnames="use_schema"
|
|
)
|
|
def test_get_indexes(self, connection, use_schema):
|
|
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
|
|
# The database may decide to create indexes for foreign keys, etc.
|
|
# so there may be more indexes than expected.
|
|
insp = inspect(self.bind)
|
|
indexes = insp.get_indexes("users", schema=schema)
|
|
expected_indexes = [
|
|
{
|
|
"unique": False,
|
|
"column_names": ["test1", "test2"],
|
|
"name": "users_t_idx",
|
|
},
|
|
{
|
|
"unique": False,
|
|
"column_names": ["user_id", "test2", "test1"],
|
|
"name": "users_all_idx",
|
|
},
|
|
]
|
|
self._assert_insp_indexes(indexes, expected_indexes)
|
|
|
|
@testing.combinations(
|
|
("noncol_idx_test_nopk", "noncol_idx_nopk"),
|
|
("noncol_idx_test_pk", "noncol_idx_pk"),
|
|
argnames="tname,ixname",
|
|
)
|
|
@testing.requires.index_reflection
|
|
@testing.requires.indexes_with_ascdesc
|
|
def test_get_noncol_index(self, connection, tname, ixname):
|
|
insp = inspect(connection)
|
|
indexes = insp.get_indexes(tname)
|
|
|
|
# reflecting an index that has "x DESC" in it as the column.
|
|
# the DB may or may not give us "x", but make sure we get the index
|
|
# back, it has a name, it's connected to the table.
|
|
expected_indexes = [{"unique": False, "name": ixname}]
|
|
self._assert_insp_indexes(indexes, expected_indexes)
|
|
|
|
t = Table(tname, MetaData(), autoload_with=connection)
|
|
eq_(len(t.indexes), 1)
|
|
is_(list(t.indexes)[0].table, t)
|
|
eq_(list(t.indexes)[0].name, ixname)
|
|
|
|
@testing.requires.temp_table_reflection
|
|
@testing.requires.unique_constraint_reflection
|
|
def test_get_temp_table_unique_constraints(self):
|
|
insp = inspect(self.bind)
|
|
reflected = insp.get_unique_constraints("user_tmp_%s" % config.ident)
|
|
for refl in reflected:
|
|
# Different dialects handle duplicate index and constraints
|
|
# differently, so ignore this flag
|
|
refl.pop("duplicates_index", None)
|
|
eq_(
|
|
reflected,
|
|
[
|
|
{
|
|
"column_names": ["name"],
|
|
"name": "user_tmp_uq_%s" % config.ident,
|
|
}
|
|
],
|
|
)
|
|
|
|
@testing.requires.temp_table_reflect_indexes
|
|
def test_get_temp_table_indexes(self):
|
|
insp = inspect(self.bind)
|
|
table_name = get_temp_table_name(
|
|
config, config.db, "user_tmp_%s" % config.ident
|
|
)
|
|
indexes = insp.get_indexes(table_name)
|
|
for ind in indexes:
|
|
ind.pop("dialect_options", None)
|
|
expected = [
|
|
{"unique": False, "column_names": ["foo"], "name": "user_tmp_ix"}
|
|
]
|
|
if testing.requires.index_reflects_included_columns.enabled:
|
|
expected[0]["include_columns"] = []
|
|
eq_(
|
|
[idx for idx in indexes if idx["name"] == "user_tmp_ix"],
|
|
expected,
|
|
)
|
|
|
|
@testing.combinations(
|
|
(True, testing.requires.schemas), (False,), argnames="use_schema"
|
|
)
|
|
@testing.requires.unique_constraint_reflection
|
|
def test_get_unique_constraints(self, metadata, connection, use_schema):
|
|
# SQLite dialect needs to parse the names of the constraints
|
|
# separately from what it gets from PRAGMA index_list(), and
|
|
# then matches them up. so same set of column_names in two
|
|
# constraints will confuse it. Perhaps we should no longer
|
|
# bother with index_list() here since we have the whole
|
|
# CREATE TABLE?
|
|
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
uniques = sorted(
|
|
[
|
|
{"name": "unique_a", "column_names": ["a"]},
|
|
{"name": "unique_a_b_c", "column_names": ["a", "b", "c"]},
|
|
{"name": "unique_c_a_b", "column_names": ["c", "a", "b"]},
|
|
{"name": "unique_asc_key", "column_names": ["asc", "key"]},
|
|
{"name": "i.have.dots", "column_names": ["b"]},
|
|
{"name": "i have spaces", "column_names": ["c"]},
|
|
],
|
|
key=operator.itemgetter("name"),
|
|
)
|
|
table = Table(
|
|
"testtbl",
|
|
metadata,
|
|
Column("a", sa.String(20)),
|
|
Column("b", sa.String(30)),
|
|
Column("c", sa.Integer),
|
|
# reserved identifiers
|
|
Column("asc", sa.String(30)),
|
|
Column("key", sa.String(30)),
|
|
schema=schema,
|
|
)
|
|
for uc in uniques:
|
|
table.append_constraint(
|
|
sa.UniqueConstraint(*uc["column_names"], name=uc["name"])
|
|
)
|
|
table.create(connection)
|
|
|
|
inspector = inspect(connection)
|
|
reflected = sorted(
|
|
inspector.get_unique_constraints("testtbl", schema=schema),
|
|
key=operator.itemgetter("name"),
|
|
)
|
|
|
|
names_that_duplicate_index = set()
|
|
|
|
for orig, refl in zip(uniques, reflected):
|
|
# Different dialects handle duplicate index and constraints
|
|
# differently, so ignore this flag
|
|
dupe = refl.pop("duplicates_index", None)
|
|
if dupe:
|
|
names_that_duplicate_index.add(dupe)
|
|
eq_(orig, refl)
|
|
|
|
reflected_metadata = MetaData()
|
|
reflected = Table(
|
|
"testtbl",
|
|
reflected_metadata,
|
|
autoload_with=connection,
|
|
schema=schema,
|
|
)
|
|
|
|
# test "deduplicates for index" logic. MySQL and Oracle
|
|
# "unique constraints" are actually unique indexes (with possible
|
|
# exception of a unique that is a dupe of another one in the case
|
|
# of Oracle). make sure # they aren't duplicated.
|
|
idx_names = set([idx.name for idx in reflected.indexes])
|
|
uq_names = set(
|
|
[
|
|
uq.name
|
|
for uq in reflected.constraints
|
|
if isinstance(uq, sa.UniqueConstraint)
|
|
]
|
|
).difference(["unique_c_a_b"])
|
|
|
|
assert not idx_names.intersection(uq_names)
|
|
if names_that_duplicate_index:
|
|
eq_(names_that_duplicate_index, idx_names)
|
|
eq_(uq_names, set())
|
|
|
|
@testing.requires.view_reflection
|
|
@testing.combinations(
|
|
(False,), (True, testing.requires.schemas), argnames="use_schema"
|
|
)
|
|
def test_get_view_definition(self, connection, use_schema):
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
view_name1 = "users_v"
|
|
view_name2 = "email_addresses_v"
|
|
insp = inspect(connection)
|
|
v1 = insp.get_view_definition(view_name1, schema=schema)
|
|
self.assert_(v1)
|
|
v2 = insp.get_view_definition(view_name2, schema=schema)
|
|
self.assert_(v2)
|
|
|
|
# why is this here if it's PG specific ?
|
|
@testing.combinations(
|
|
("users", False),
|
|
("users", True, testing.requires.schemas),
|
|
argnames="table_name,use_schema",
|
|
)
|
|
@testing.only_on("postgresql", "PG specific feature")
|
|
def test_get_table_oid(self, connection, table_name, use_schema):
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
insp = inspect(connection)
|
|
oid = insp.get_table_oid(table_name, schema)
|
|
self.assert_(isinstance(oid, int))
|
|
|
|
@testing.requires.table_reflection
|
|
def test_autoincrement_col(self):
|
|
"""test that 'autoincrement' is reflected according to sqla's policy.
|
|
|
|
Don't mark this test as unsupported for any backend !
|
|
|
|
(technically it fails with MySQL InnoDB since "id" comes before "id2")
|
|
|
|
A backend is better off not returning "autoincrement" at all,
|
|
instead of potentially returning "False" for an auto-incrementing
|
|
primary key column.
|
|
|
|
"""
|
|
|
|
insp = inspect(self.bind)
|
|
|
|
for tname, cname in [
|
|
("users", "user_id"),
|
|
("email_addresses", "address_id"),
|
|
("dingalings", "dingaling_id"),
|
|
]:
|
|
cols = insp.get_columns(tname)
|
|
id_ = {c["name"]: c for c in cols}[cname]
|
|
assert id_.get("autoincrement", True)
|
|
|
|
|
|
class TableNoColumnsTest(fixtures.TestBase):
|
|
__requires__ = ("reflect_tables_no_columns",)
|
|
__backend__ = True
|
|
|
|
@testing.fixture
|
|
def table_no_columns(self, connection, metadata):
|
|
Table("empty", metadata)
|
|
metadata.create_all(connection)
|
|
|
|
@testing.fixture
|
|
def view_no_columns(self, connection, metadata):
|
|
Table("empty", metadata)
|
|
metadata.create_all(connection)
|
|
|
|
Table("empty", metadata)
|
|
event.listen(
|
|
metadata,
|
|
"after_create",
|
|
DDL("CREATE VIEW empty_v AS SELECT * FROM empty"),
|
|
)
|
|
|
|
# for transactional DDL the transaction is rolled back before this
|
|
# drop statement is invoked
|
|
event.listen(
|
|
metadata, "before_drop", DDL("DROP VIEW IF EXISTS empty_v")
|
|
)
|
|
metadata.create_all(connection)
|
|
|
|
@testing.requires.reflect_tables_no_columns
|
|
def test_reflect_table_no_columns(self, connection, table_no_columns):
|
|
t2 = Table("empty", MetaData(), autoload_with=connection)
|
|
eq_(list(t2.c), [])
|
|
|
|
@testing.requires.reflect_tables_no_columns
|
|
def test_get_columns_table_no_columns(self, connection, table_no_columns):
|
|
eq_(inspect(connection).get_columns("empty"), [])
|
|
|
|
@testing.requires.reflect_tables_no_columns
|
|
def test_reflect_incl_table_no_columns(self, connection, table_no_columns):
|
|
m = MetaData()
|
|
m.reflect(connection)
|
|
assert set(m.tables).intersection(["empty"])
|
|
|
|
@testing.requires.views
|
|
@testing.requires.reflect_tables_no_columns
|
|
def test_reflect_view_no_columns(self, connection, view_no_columns):
|
|
t2 = Table("empty_v", MetaData(), autoload_with=connection)
|
|
eq_(list(t2.c), [])
|
|
|
|
@testing.requires.views
|
|
@testing.requires.reflect_tables_no_columns
|
|
def test_get_columns_view_no_columns(self, connection, view_no_columns):
|
|
eq_(inspect(connection).get_columns("empty_v"), [])
|
|
|
|
|
|
class ComponentReflectionTestExtra(fixtures.TestBase):
|
|
|
|
__backend__ = True
|
|
|
|
@testing.combinations(
|
|
(True, testing.requires.schemas), (False,), argnames="use_schema"
|
|
)
|
|
@testing.requires.check_constraint_reflection
|
|
def test_get_check_constraints(self, metadata, connection, use_schema):
|
|
if use_schema:
|
|
schema = config.test_schema
|
|
else:
|
|
schema = None
|
|
|
|
Table(
|
|
"sa_cc",
|
|
metadata,
|
|
Column("a", Integer()),
|
|
sa.CheckConstraint("a > 1 AND a < 5", name="cc1"),
|
|
sa.CheckConstraint(
|
|
"a = 1 OR (a > 2 AND a < 5)", name="UsesCasing"
|
|
),
|
|
schema=schema,
|
|
)
|
|
|
|
metadata.create_all(connection)
|
|
|
|
inspector = inspect(connection)
|
|
reflected = sorted(
|
|
inspector.get_check_constraints("sa_cc", schema=schema),
|
|
key=operator.itemgetter("name"),
|
|
)
|
|
|
|
# trying to minimize effect of quoting, parenthesis, etc.
|
|
# may need to add more to this as new dialects get CHECK
|
|
# constraint reflection support
|
|
def normalize(sqltext):
|
|
return " ".join(
|
|
re.findall(r"and|\d|=|a|or|<|>", sqltext.lower(), re.I)
|
|
)
|
|
|
|
reflected = [
|
|
{"name": item["name"], "sqltext": normalize(item["sqltext"])}
|
|
for item in reflected
|
|
]
|
|
eq_(
|
|
reflected,
|
|
[
|
|
{"name": "UsesCasing", "sqltext": "a = 1 or a > 2 and a < 5"},
|
|
{"name": "cc1", "sqltext": "a > 1 and a < 5"},
|
|
],
|
|
)
|
|
|
|
@testing.requires.indexes_with_expressions
|
|
def test_reflect_expression_based_indexes(self, metadata, connection):
|
|
t = Table(
|
|
"t",
|
|
metadata,
|
|
Column("x", String(30)),
|
|
Column("y", String(30)),
|
|
)
|
|
|
|
Index("t_idx", func.lower(t.c.x), func.lower(t.c.y))
|
|
|
|
Index("t_idx_2", t.c.x)
|
|
|
|
metadata.create_all(connection)
|
|
|
|
insp = inspect(connection)
|
|
|
|
expected = [
|
|
{"name": "t_idx_2", "column_names": ["x"], "unique": False}
|
|
]
|
|
if testing.requires.index_reflects_included_columns.enabled:
|
|
expected[0]["include_columns"] = []
|
|
expected[0]["dialect_options"] = {
|
|
"%s_include" % connection.engine.name: []
|
|
}
|
|
|
|
with expect_warnings(
|
|
"Skipped unsupported reflection of expression-based index t_idx"
|
|
):
|
|
eq_(
|
|
insp.get_indexes("t"),
|
|
expected,
|
|
)
|
|
|
|
@testing.requires.index_reflects_included_columns
|
|
def test_reflect_covering_index(self, metadata, connection):
|
|
t = Table(
|
|
"t",
|
|
metadata,
|
|
Column("x", String(30)),
|
|
Column("y", String(30)),
|
|
)
|
|
idx = Index("t_idx", t.c.x)
|
|
idx.dialect_options[connection.engine.name]["include"] = ["y"]
|
|
|
|
metadata.create_all(connection)
|
|
|
|
insp = inspect(connection)
|
|
|
|
eq_(
|
|
insp.get_indexes("t"),
|
|
[
|
|
{
|
|
"name": "t_idx",
|
|
"column_names": ["x"],
|
|
"include_columns": ["y"],
|
|
"unique": False,
|
|
"dialect_options": {
|
|
"%s_include" % connection.engine.name: ["y"]
|
|
},
|
|
}
|
|
],
|
|
)
|
|
|
|
t2 = Table("t", MetaData(), autoload_with=connection)
|
|
eq_(
|
|
list(t2.indexes)[0].dialect_options[connection.engine.name][
|
|
"include"
|
|
],
|
|
["y"],
|
|
)
|
|
|
|
def _type_round_trip(self, connection, metadata, *types):
|
|
t = Table(
|
|
"t",
|
|
metadata,
|
|
*[Column("t%d" % i, type_) for i, type_ in enumerate(types)]
|
|
)
|
|
t.create(connection)
|
|
|
|
return [c["type"] for c in inspect(connection).get_columns("t")]
|
|
|
|
@testing.requires.table_reflection
|
|
def test_numeric_reflection(self, connection, metadata):
|
|
for typ in self._type_round_trip(
|
|
connection, metadata, sql_types.Numeric(18, 5)
|
|
):
|
|
assert isinstance(typ, sql_types.Numeric)
|
|
eq_(typ.precision, 18)
|
|
eq_(typ.scale, 5)
|
|
|
|
@testing.requires.table_reflection
|
|
def test_varchar_reflection(self, connection, metadata):
|
|
typ = self._type_round_trip(
|
|
connection, metadata, sql_types.String(52)
|
|
)[0]
|
|
assert isinstance(typ, sql_types.String)
|
|
eq_(typ.length, 52)
|
|
|
|
@testing.requires.table_reflection
|
|
def test_nullable_reflection(self, connection, metadata):
|
|
t = Table(
|
|
"t",
|
|
metadata,
|
|
Column("a", Integer, nullable=True),
|
|
Column("b", Integer, nullable=False),
|
|
)
|
|
t.create(connection)
|
|
eq_(
|
|
dict(
|
|
(col["name"], col["nullable"])
|
|
for col in inspect(connection).get_columns("t")
|
|
),
|
|
{"a": True, "b": False},
|
|
)
|
|
|
|
@testing.combinations(
|
|
(
|
|
None,
|
|
"CASCADE",
|
|
None,
|
|
testing.requires.foreign_key_constraint_option_reflection_ondelete,
|
|
),
|
|
(
|
|
None,
|
|
None,
|
|
"SET NULL",
|
|
testing.requires.foreign_key_constraint_option_reflection_onupdate,
|
|
),
|
|
(
|
|
{},
|
|
None,
|
|
"NO ACTION",
|
|
testing.requires.foreign_key_constraint_option_reflection_onupdate,
|
|
),
|
|
(
|
|
{},
|
|
"NO ACTION",
|
|
None,
|
|
testing.requires.fk_constraint_option_reflection_ondelete_noaction,
|
|
),
|
|
(
|
|
None,
|
|
None,
|
|
"RESTRICT",
|
|
testing.requires.fk_constraint_option_reflection_onupdate_restrict,
|
|
),
|
|
(
|
|
None,
|
|
"RESTRICT",
|
|
None,
|
|
testing.requires.fk_constraint_option_reflection_ondelete_restrict,
|
|
),
|
|
argnames="expected,ondelete,onupdate",
|
|
)
|
|
def test_get_foreign_key_options(
|
|
self, connection, metadata, expected, ondelete, onupdate
|
|
):
|
|
options = {}
|
|
if ondelete:
|
|
options["ondelete"] = ondelete
|
|
if onupdate:
|
|
options["onupdate"] = onupdate
|
|
|
|
if expected is None:
|
|
expected = options
|
|
|
|
Table(
|
|
"x",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
test_needs_fk=True,
|
|
)
|
|
|
|
Table(
|
|
"table",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("x_id", Integer, sa.ForeignKey("x.id", name="xid")),
|
|
Column("test", String(10)),
|
|
test_needs_fk=True,
|
|
)
|
|
|
|
Table(
|
|
"user",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("name", String(50), nullable=False),
|
|
Column("tid", Integer),
|
|
sa.ForeignKeyConstraint(
|
|
["tid"], ["table.id"], name="myfk", **options
|
|
),
|
|
test_needs_fk=True,
|
|
)
|
|
|
|
metadata.create_all(connection)
|
|
|
|
insp = inspect(connection)
|
|
|
|
# test 'options' is always present for a backend
|
|
# that can reflect these, since alembic looks for this
|
|
opts = insp.get_foreign_keys("table")[0]["options"]
|
|
|
|
eq_(dict((k, opts[k]) for k in opts if opts[k]), {})
|
|
|
|
opts = insp.get_foreign_keys("user")[0]["options"]
|
|
eq_(opts, expected)
|
|
# eq_(dict((k, opts[k]) for k in opts if opts[k]), expected)
|
|
|
|
|
|
class NormalizedNameTest(fixtures.TablesTest):
|
|
__requires__ = ("denormalized_names",)
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
quoted_name("t1", quote=True),
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
)
|
|
Table(
|
|
quoted_name("t2", quote=True),
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("t1id", ForeignKey("t1.id")),
|
|
)
|
|
|
|
def test_reflect_lowercase_forced_tables(self):
|
|
|
|
m2 = MetaData()
|
|
t2_ref = Table(
|
|
quoted_name("t2", quote=True), m2, autoload_with=config.db
|
|
)
|
|
t1_ref = m2.tables["t1"]
|
|
assert t2_ref.c.t1id.references(t1_ref.c.id)
|
|
|
|
m3 = MetaData()
|
|
m3.reflect(
|
|
config.db, only=lambda name, m: name.lower() in ("t1", "t2")
|
|
)
|
|
assert m3.tables["t2"].c.t1id.references(m3.tables["t1"].c.id)
|
|
|
|
def test_get_table_names(self):
|
|
tablenames = [
|
|
t
|
|
for t in inspect(config.db).get_table_names()
|
|
if t.lower() in ("t1", "t2")
|
|
]
|
|
|
|
eq_(tablenames[0].upper(), tablenames[0].lower())
|
|
eq_(tablenames[1].upper(), tablenames[1].lower())
|
|
|
|
|
|
class ComputedReflectionTest(fixtures.ComputedReflectionFixtureTest):
|
|
def test_computed_col_default_not_set(self):
|
|
insp = inspect(config.db)
|
|
|
|
cols = insp.get_columns("computed_default_table")
|
|
col_data = {c["name"]: c for c in cols}
|
|
is_true("42" in col_data["with_default"]["default"])
|
|
is_(col_data["normal"]["default"], None)
|
|
is_(col_data["computed_col"]["default"], None)
|
|
|
|
def test_get_column_returns_computed(self):
|
|
insp = inspect(config.db)
|
|
|
|
cols = insp.get_columns("computed_default_table")
|
|
data = {c["name"]: c for c in cols}
|
|
for key in ("id", "normal", "with_default"):
|
|
is_true("computed" not in data[key])
|
|
compData = data["computed_col"]
|
|
is_true("computed" in compData)
|
|
is_true("sqltext" in compData["computed"])
|
|
eq_(self.normalize(compData["computed"]["sqltext"]), "normal+42")
|
|
eq_(
|
|
"persisted" in compData["computed"],
|
|
testing.requires.computed_columns_reflect_persisted.enabled,
|
|
)
|
|
if testing.requires.computed_columns_reflect_persisted.enabled:
|
|
eq_(
|
|
compData["computed"]["persisted"],
|
|
testing.requires.computed_columns_default_persisted.enabled,
|
|
)
|
|
|
|
def check_column(self, data, column, sqltext, persisted):
|
|
is_true("computed" in data[column])
|
|
compData = data[column]["computed"]
|
|
eq_(self.normalize(compData["sqltext"]), sqltext)
|
|
if testing.requires.computed_columns_reflect_persisted.enabled:
|
|
is_true("persisted" in compData)
|
|
is_(compData["persisted"], persisted)
|
|
|
|
def test_get_column_returns_persisted(self):
|
|
insp = inspect(config.db)
|
|
|
|
cols = insp.get_columns("computed_column_table")
|
|
data = {c["name"]: c for c in cols}
|
|
|
|
self.check_column(
|
|
data,
|
|
"computed_no_flag",
|
|
"normal+42",
|
|
testing.requires.computed_columns_default_persisted.enabled,
|
|
)
|
|
if testing.requires.computed_columns_virtual.enabled:
|
|
self.check_column(
|
|
data,
|
|
"computed_virtual",
|
|
"normal+2",
|
|
False,
|
|
)
|
|
if testing.requires.computed_columns_stored.enabled:
|
|
self.check_column(
|
|
data,
|
|
"computed_stored",
|
|
"normal-42",
|
|
True,
|
|
)
|
|
|
|
@testing.requires.schemas
|
|
def test_get_column_returns_persisted_with_schema(self):
|
|
insp = inspect(config.db)
|
|
|
|
cols = insp.get_columns(
|
|
"computed_column_table", schema=config.test_schema
|
|
)
|
|
data = {c["name"]: c for c in cols}
|
|
|
|
self.check_column(
|
|
data,
|
|
"computed_no_flag",
|
|
"normal/42",
|
|
testing.requires.computed_columns_default_persisted.enabled,
|
|
)
|
|
if testing.requires.computed_columns_virtual.enabled:
|
|
self.check_column(
|
|
data,
|
|
"computed_virtual",
|
|
"normal/2",
|
|
False,
|
|
)
|
|
if testing.requires.computed_columns_stored.enabled:
|
|
self.check_column(
|
|
data,
|
|
"computed_stored",
|
|
"normal*42",
|
|
True,
|
|
)
|
|
|
|
|
|
class IdentityReflectionTest(fixtures.TablesTest):
|
|
run_inserts = run_deletes = None
|
|
|
|
__backend__ = True
|
|
__requires__ = ("identity_columns", "table_reflection")
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table(
|
|
"t1",
|
|
metadata,
|
|
Column("normal", Integer),
|
|
Column("id1", Integer, Identity()),
|
|
)
|
|
Table(
|
|
"t2",
|
|
metadata,
|
|
Column(
|
|
"id2",
|
|
Integer,
|
|
Identity(
|
|
always=True,
|
|
start=2,
|
|
increment=3,
|
|
minvalue=-2,
|
|
maxvalue=42,
|
|
cycle=True,
|
|
cache=4,
|
|
),
|
|
),
|
|
)
|
|
if testing.requires.schemas.enabled:
|
|
Table(
|
|
"t1",
|
|
metadata,
|
|
Column("normal", Integer),
|
|
Column("id1", Integer, Identity(always=True, start=20)),
|
|
schema=config.test_schema,
|
|
)
|
|
|
|
def check(self, value, exp, approx):
|
|
if testing.requires.identity_columns_standard.enabled:
|
|
common_keys = (
|
|
"always",
|
|
"start",
|
|
"increment",
|
|
"minvalue",
|
|
"maxvalue",
|
|
"cycle",
|
|
"cache",
|
|
)
|
|
for k in list(value):
|
|
if k not in common_keys:
|
|
value.pop(k)
|
|
if approx:
|
|
eq_(len(value), len(exp))
|
|
for k in value:
|
|
if k == "minvalue":
|
|
is_true(value[k] <= exp[k])
|
|
elif k in {"maxvalue", "cache"}:
|
|
is_true(value[k] >= exp[k])
|
|
else:
|
|
eq_(value[k], exp[k], k)
|
|
else:
|
|
eq_(value, exp)
|
|
else:
|
|
eq_(value["start"], exp["start"])
|
|
eq_(value["increment"], exp["increment"])
|
|
|
|
def test_reflect_identity(self):
|
|
insp = inspect(config.db)
|
|
|
|
cols = insp.get_columns("t1") + insp.get_columns("t2")
|
|
for col in cols:
|
|
if col["name"] == "normal":
|
|
is_false("identity" in col)
|
|
elif col["name"] == "id1":
|
|
is_true(col["autoincrement"] in (True, "auto"))
|
|
eq_(col["default"], None)
|
|
is_true("identity" in col)
|
|
self.check(
|
|
col["identity"],
|
|
dict(
|
|
always=False,
|
|
start=1,
|
|
increment=1,
|
|
minvalue=1,
|
|
maxvalue=2147483647,
|
|
cycle=False,
|
|
cache=1,
|
|
),
|
|
approx=True,
|
|
)
|
|
elif col["name"] == "id2":
|
|
is_true(col["autoincrement"] in (True, "auto"))
|
|
eq_(col["default"], None)
|
|
is_true("identity" in col)
|
|
self.check(
|
|
col["identity"],
|
|
dict(
|
|
always=True,
|
|
start=2,
|
|
increment=3,
|
|
minvalue=-2,
|
|
maxvalue=42,
|
|
cycle=True,
|
|
cache=4,
|
|
),
|
|
approx=False,
|
|
)
|
|
|
|
@testing.requires.schemas
|
|
def test_reflect_identity_schema(self):
|
|
insp = inspect(config.db)
|
|
|
|
cols = insp.get_columns("t1", schema=config.test_schema)
|
|
for col in cols:
|
|
if col["name"] == "normal":
|
|
is_false("identity" in col)
|
|
elif col["name"] == "id1":
|
|
is_true(col["autoincrement"] in (True, "auto"))
|
|
eq_(col["default"], None)
|
|
is_true("identity" in col)
|
|
self.check(
|
|
col["identity"],
|
|
dict(
|
|
always=True,
|
|
start=20,
|
|
increment=1,
|
|
minvalue=1,
|
|
maxvalue=2147483647,
|
|
cycle=False,
|
|
cache=1,
|
|
),
|
|
approx=True,
|
|
)
|
|
|
|
|
|
class CompositeKeyReflectionTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
tb1 = Table(
|
|
"tb1",
|
|
metadata,
|
|
Column("id", Integer),
|
|
Column("attr", Integer),
|
|
Column("name", sql_types.VARCHAR(20)),
|
|
sa.PrimaryKeyConstraint("name", "id", "attr", name="pk_tb1"),
|
|
schema=None,
|
|
test_needs_fk=True,
|
|
)
|
|
Table(
|
|
"tb2",
|
|
metadata,
|
|
Column("id", Integer, primary_key=True),
|
|
Column("pid", Integer),
|
|
Column("pattr", Integer),
|
|
Column("pname", sql_types.VARCHAR(20)),
|
|
sa.ForeignKeyConstraint(
|
|
["pname", "pid", "pattr"],
|
|
[tb1.c.name, tb1.c.id, tb1.c.attr],
|
|
name="fk_tb1_name_id_attr",
|
|
),
|
|
schema=None,
|
|
test_needs_fk=True,
|
|
)
|
|
|
|
@testing.requires.primary_key_constraint_reflection
|
|
def test_pk_column_order(self):
|
|
# test for issue #5661
|
|
insp = inspect(self.bind)
|
|
primary_key = insp.get_pk_constraint(self.tables.tb1.name)
|
|
eq_(primary_key.get("constrained_columns"), ["name", "id", "attr"])
|
|
|
|
@testing.requires.foreign_key_constraint_reflection
|
|
def test_fk_column_order(self):
|
|
# test for issue #5661
|
|
insp = inspect(self.bind)
|
|
foreign_keys = insp.get_foreign_keys(self.tables.tb2.name)
|
|
eq_(len(foreign_keys), 1)
|
|
fkey1 = foreign_keys[0]
|
|
eq_(fkey1.get("referred_columns"), ["name", "id", "attr"])
|
|
eq_(fkey1.get("constrained_columns"), ["pname", "pid", "pattr"])
|
|
|
|
|
|
__all__ = (
|
|
"ComponentReflectionTest",
|
|
"ComponentReflectionTestExtra",
|
|
"TableNoColumnsTest",
|
|
"QuotedNameArgumentTest",
|
|
"HasTableTest",
|
|
"HasIndexTest",
|
|
"NormalizedNameTest",
|
|
"ComputedReflectionTest",
|
|
"IdentityReflectionTest",
|
|
"CompositeKeyReflectionTest",
|
|
)
|